occs operational command and control system occs operational command and control system
Related Translations:
命令: order; command; directive; instruction 短语和例子命令式的口气 a commanding tone; 服从命令 obey orders; 下命令 issue an order; 接到命令做某事 receive instructions to do sth.; 你不能干这事, 这是违反命令的。 you can't do anything
